Home / 31,810.61-47,724.66-14,055.53

Finding the Fourth Proportional to 31,810.61, 47,724.66 and 14,055.53

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Solution

The fourth proportional to 31,810.61, 47,724.66 and 14,055.53 is: 21,087.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,810.61 : 47,724.66 = 14,055.53 : x
  2. Step 2: Convert to fraction form
    31,810.61/47,724.66 = 14,055.53/x
  3. Step 3: Cross multiply
    31,810.61x = 47,724.66 × 14,055.53
  4. Step 4: Simplify right side
    31,810.61x = 670,795,151.75
  5. Step 5: Solve for x
    x = 670,795,151.75/31,810.61
  6. Step 6: Final answer
    x = 21,087.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.